690389840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39769}}^1$

素因数の和:39820

約数の個数: 80

約数和(自身を含む): 1893688320

約数和(自身を除く): 1203298480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 39769, 79538, 159076, 198845, 278383, 318152, 397690, 556766, 636304, 795380, 1113532, 1232839, 1391915, 1590760, 2227064, 2465678, 2783830, 3181520, 4454128, 4931356, 5567660, 6164195, 8629873, 9862712, 11135320, 12328390, 17259746, 19725424, 22270640, 24656780, 34519492, 43149365, 49313560, 69038984, 86298730, 98627120, 138077968, 172597460, 345194920, 690389840]

約数ペア:

[(1, 690389840), (2, 345194920), (4, 172597460), (5, 138077968), (7, 98627120), (8, 86298730), (10, 69038984), (14, 49313560), (16, 43149365), (20, 34519492), (28, 24656780), (31, 22270640), (35, 19725424), (40, 17259746), (56, 12328390), (62, 11135320), (70, 9862712), (80, 8629873), (112, 6164195), (124, 5567660), (140, 4931356), (155, 4454128), (217, 3181520), (248, 2783830), (280, 2465678), (310, 2227064), (434, 1590760), (496, 1391915), (560, 1232839), (620, 1113532), (868, 795380), (1085, 636304), (1240, 556766), (1736, 397690), (2170, 318152), (2480, 278383), (3472, 198845), (4340, 159076), (8680, 79538), (17360, 39769)]